Air gap

Air gap may refer to:

Science and technology

 * Air gap (plumbing), the vertical space between the water outlet and the flood level of a fixture
 * Air gap (networking), physical isolation from external computer networks
 * IBM airgap, a technique invented by IBM for fabricating vacuum pockets in integrated circuits
 * Air gap (magnetic), a gap in the magnetic material
 * Air gap, used in inductors and transformers
 * Air gap in an electric machine, a space between the rotor and the stator in the machine
 * Air gap, the space between magnetic pole pieces in which a voice coil operates
 * Air gaps, the use of air-filled or vacuum pockets as a replacement for low-κ dielectrics in integrated circuits

Other uses

 * Mid-Atlantic gap, a geographic area not covered by allied air support during the World War II Battle of the Atlantic